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Use this photometer to keep track of chlorine levels in water samples. Take advantage of the meter's tutorial mode to get step-by-step guidance.
Use this photometer to keep track of chlorine levels in water samples. Take advantage of the meter's tutorial mode to get step-by-step guidance.
Monitor chlorine levels using this Hanna HI 97771 Free and Ultra-High Level Total Chlorine Portable Photometer. It can detect free chlorine levels from 0 to 5 mg/L (ppm) and total chlorine levels from 0 to 500 mg/L (ppm), and it will automatically log your last 50 readings, making it easy to keep detailed, accurate records. It also features CAL Check verification, step-by-step tutorials and a highly durable body that can withstand the demands of everyday use.
Features
| Display | Backlit LCD |
| Range | Free chlorine: 0 to 5 mg/L (ppm); total chlorine 0 to 500 mg/L (ppm) |
| Resolution | 0.01 mg/L; 1 mg/L |
| Accuracy | ±0.03 mg/L ±3% of reading; ±3 mg/L ±3% of reading at 77°F (25°C) |
| Method | Adaptation of the EPA DPD method 330.5; Adaptation of the standard methods for examination of water and wastewater, 20th edition, 4500‑Cl |
| Light | LED |
| Light Detector | Silicon photocell with narrow band interference filter at 525 nm |
| Environment | 32 to 122°F (0 to 50°C); 100% RH max, non-serviceable |
| Battery Life | 800+ measurements |
| Product Length | 5.6" (142.5 mm) |
| Product Width | 4" (102.5 mm) |
| Product Height | 2" (50.5 mm) |
| Product Weight | 13.4 oz (380 g) |
| Manufacturer Warranty | 2 years |
Click on a category to view a selection of compatible accessories with the Hanna HI 97771 Free and Ultra-High Level Total Chlorine Portable Photometer.
| Display | Backlit LCD |
| Range | Free chlorine: 0 to 5 mg/L (ppm); total chlorine 0 to 500 mg/L (ppm) |
| Resolution | 0.01 mg/L; 1 mg/L |
| Accuracy | ±0.03 mg/L ±3% of reading; ±3 mg/L ±3% of reading at 77°F (25°C) |
| Method | Adaptation of the EPA DPD method 330.5; Adaptation of the standard methods for examination of water and wastewater, 20th edition, 4500‑Cl |
| Light | LED |
| Light Detector | Silicon photocell with narrow band interference filter at 525 nm |
| Environment | 32 to 122°F (0 to 50°C); 100% RH max, non-serviceable |
| Battery Life | 800+ measurements |
| Product Length | 5.6" (142.5 mm) |
| Product Width | 4" (102.5 mm) |
| Product Height | 2" (50.5 mm) |
| Product Weight | 13.4 oz (380 g) |
| Manufacturer Warranty | 2 years |
Click on a category to view a selection of compatible accessories with the Hanna HI 97771 Free and Ultra-High Level Total Chlorine Portable Photometer.
